<template>
	<div :class="className" :style="{height:height,width:width}" />
</template>

<script>
	import echarts from 'echarts'
	require('echarts/theme/macarons') // echarts theme
	import resize from './mixins/resize'
	const animationDuration = 6000
	export default {
		mixins: [resize],
		props: {
			className: {
				type: String,
				default: 'chart'
			},
			width: {
				type: String,
				default: '100%'
			},
			height: {
				type: String,
				default: '300px'
			}
		},
		data() {
			return {
				chart: null
			}
		},
		mounted() {
			this.$nextTick(() => {
				this.initChart()
			})
		},
		beforeDestroy() {
			if(!this.chart) {
				return
			}
			this.chart.dispose()
			this.chart = null
		},
		methods: {
			initChart() {
				this.chart = echarts.init(this.$el, 'macarons')
				testStatistical().then(res => {
					var name = [];
					var value = [];
					res.data.map(item => {
						name.push(item.name);
						value.push(item.value);
					})
					this.chart.setOption({
						title: {
							text: '分类实验数',
							left:'center',
							textStyle:{
								'fontSize':'14px'
							}
						},
						tooltip: {
							trigger: 'axis',
							axisPointer: { // 坐标轴指示器，坐标轴触发有效
								type: 'shadow' // 默认为直线，可选为：'line' | 'shadow'
							}
						},
						grid: {
							top: 30,
							left: '2%',
							right: '2%',
							bottom: '3%',
							containLabel: true
						},
						xAxis: [{
							type: 'category',
							data: name,
							axisTick: {
								alignWithLabel: true
							}
						}],
						yAxis: [{
							type: 'value',
							axisTick: {
								show: false
							}
						}],
						series: [{
							name: '实验数目',
							type: 'bar',
							barWidth: 60,
							stack: 'vistors',
							data: value,
							animationDuration
						}]
					})
				})
			}
		}
	}
</script>